Updated all dependencies and prepared for PHP 8

classes/TwigTemplate.php

@@ -13,8 +13,8 @@ class TwigTemplate {
 
     public function __construct($key, $content, $cachePath) {
         $this->key = $key;
-        $this->environment = new \Twig_Environment(
-            new \Twig_Loader_Array([ $key => $content ]),
+        $this->environment = new \Twig\Environment(
+            new \Twig\Loader\ArrayLoader([ $key => $content ]),
             [ 'cache' => $cachePath ]
         );
     }